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  2. Backflow prevention device - Wikipedia

    en.wikipedia.org/wiki/Backflow_prevention_device

    A backflow prevention device is used to protect potable water supplies from contamination or pollution due to backflow. In water distribution systems, water is normally maintained at a significant pressure to enable water to flow from the tap, shower, or other fixture. Water pressure may fail or be reduced when a water main bursts, pipes freeze ...

  3. Lowe's - Wikipedia

    en.wikipedia.org/wiki/Lowe's

    The first Lowe's store, Mr. L.S. Lowe's North Wilkesboro Hardware, opened in North Wilkesboro, North Carolina, in 1921 by Lucius Smith Lowe. [8] After Lowe died in 1940, the business was inherited by his daughter, Ruth Buchan, who sold the company to her brother, James Lowe for $4,200, [ 9 ] that same year.

  4. List of valves - Wikipedia

    en.wikipedia.org/wiki/List_of_valves

    Valves can be categorized into the following types, based on their operating mechanism: Ball valve, for on–off control without pressure drop. Ideal for quick shut-off, since a 90° turn completely shuts off, compared to multiple 360° turns for other manual valves; Butterfly valve, for on–off flow control in large diameter pipes

  5. Is Lowe's Open on the 4th of July? Holiday Hours Shoppers ...

    www.aol.com/lowes-open-4th-july-holiday...

    For premium support please call: 800-290-4726 more ways to reach us

  6. Here's What to Know About Lowe's Holiday Hours on the 4th of July

    www.aol.com/lifestyle/weve-got-lowdown-lowes-4th...

    Yep! Lowe’s will be open on the 4th of July! The holiday falls on a Thursday this year, which means Lowe's will be open from 6 a.m. to 10 p.m. As always, it's definitely recommended that you ...

  7. Shutdown valve - Wikipedia

    en.wikipedia.org/wiki/Shutdown_valve

    A blowdown valve (BDV) is a type of shutdown valve designed to depressurize a pressure vessel by directing vapour to a flare, vent or blowdown stack in an emergency. BDVs fail-safe to the open position upon failure of the control system. [1] The type of valve, type of actuation and performance measurement are similar to an ESD valve.